CVE-2008-2812

kernel: NULL ptr dereference in multiple network drivers due to missing checks in tty code

Severity Score

7.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

The Linux kernel before 2.6.25.10 does not properly perform tty operations, which allows local users to cause a denial of service (system crash) or possibly gain privileges via vectors involving NULL pointer dereference of function pointers in (1) hamradio/6pack.c, (2) hamradio/mkiss.c, (3) irda/irtty-sir.c, (4) ppp_async.c, (5) ppp_synctty.c, (6) slip.c, (7) wan/x25_asy.c, and (8) wireless/strip.c in drivers/net/.

El núcleo de Linux anterior a 2.6.25.10, no realiza de forma adecuada las operaciones tty, esto permite a usuarios locales provocar una denegación de servicio (caída del sistema) o posiblemente obtener privilegios mediante vectores que contienen referencias a puntero NULO en los punteros a funciones en (1) hamradio/6pack.c, (2) hamradio/mkiss.c, (3) irda/irtty-sir.c, (4) ppp_async.c, (5) ppp_synctty.c, (6) slip.c, (7) wan/x25_asy.c, y (8) wireless/strip.c en drivers/net/.

*Credits: N/A

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Local

Attack Complexity

Low

Authentication

None

Confidentiality

Complete

Integrity

Complete

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2008-06-20 CVE Reserved
2008-07-09 CVE Published
2023-03-08 EPSS Updated
2024-08-07 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-476: NULL Pointer Dereference

CAPEC

References (35)

URL	Tag	Source
http://git.kernel.org/?p=linux/kernel/git/stable/linux-2.6.25.y.git%3Ba=commitdiff%3Bh=2a739dd53ad7ee010ae6e155438507f329dce788	X_refsource_confirm
http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.25.10	Broken Link
http://secunia.com/advisories/30982	Broken Link
http://secunia.com/advisories/31048	Broken Link
http://secunia.com/advisories/31202	Broken Link
http://secunia.com/advisories/31229	Broken Link
http://secunia.com/advisories/31341	Broken Link
http://secunia.com/advisories/31551	Broken Link
http://secunia.com/advisories/31614	Broken Link
http://secunia.com/advisories/31685	Broken Link
http://secunia.com/advisories/32103	Broken Link
http://secunia.com/advisories/32370	Broken Link
http://secunia.com/advisories/32759	Broken Link
http://secunia.com/advisories/33201	Broken Link
http://support.avaya.com/elmodocs2/security/ASA-2008-365.htm	Third Party Advisory
http://www.vupen.com/english/advisories/2008/2063/references	Broken Link
https://exchange.xforce.ibmcloud.com/vulnerabilities/43687	Third Party Advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11632	Signature
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6633	Signature

URL	Date	SRC

URL	Date	SRC
http://www.debian.org/security/2008/dsa-1630	2023-02-13
http://www.openwall.com/lists/oss-security/2008/07/03/2	2023-02-13
http://www.securityfocus.com/bid/30076	2023-02-13

URL	Date	SRC
http://lists.opensuse.org/opensuse-security-announce/2008-07/msg00007.html	2023-02-13
http://lists.opensuse.org/opensuse-security-announce/2008-07/msg00009.html	2023-02-13
http://lists.opensuse.org/opensuse-security-announce/2008-07/msg00012.html	2023-02-13
http://lists.opensuse.org/opensuse-security-announce/2008-10/msg00000.html	2023-02-13
http://lists.opensuse.org/opensuse-security-announce/2008-10/msg00003.html	2023-02-13
http://lists.opensuse.org/opensuse-security-announce/2008-10/msg00008.html	2023-02-13
http://lists.opensuse.org/opensuse-security-announce/2008-11/msg00001.html	2023-02-13
http://www.redhat.com/support/errata/RHSA-2008-0612.html	2023-02-13
http://www.redhat.com/support/errata/RHSA-2008-0665.html	2023-02-13
http://www.redhat.com/support/errata/RHSA-2008-0973.html	2023-02-13
https://usn.ubuntu.com/637-1	2023-02-13
https://access.redhat.com/security/cve/CVE-2008-2812	2008-12-17
https://bugzilla.redhat.com/show_bug.cgi?id=453419	2008-12-17

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				< 2.6.25.10 Search vendor "Linux" for product "Linux Kernel" and version " < 2.6.25.10"		-		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				6.06 Search vendor "Canonical" for product "Ubuntu Linux" and version "6.06"		lts		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				7.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "7.04"		-		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				7.10 Search vendor "Canonical" for product "Ubuntu Linux" and version "7.10"		-		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				8.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "8.04"		lts		Affected
Novell Search vendor "Novell"		Linux Desktop Search vendor "Novell" for product "Linux Desktop"				9 Search vendor "Novell" for product "Linux Desktop" and version "9"		-		Affected
Opensuse Search vendor "Opensuse"		Opensuse Search vendor "Opensuse" for product "Opensuse"				10.3 Search vendor "Opensuse" for product "Opensuse" and version "10.3"		-		Affected
Opensuse Search vendor "Opensuse"		Opensuse Search vendor "Opensuse" for product "Opensuse"				11.0 Search vendor "Opensuse" for product "Opensuse" and version "11.0"		-		Affected
Suse Search vendor "Suse"		Suse Linux Enterprise Desktop Search vendor "Suse" for product "Suse Linux Enterprise Desktop"				10 Search vendor "Suse" for product "Suse Linux Enterprise Desktop" and version "10"		sp1		Affected
Suse Search vendor "Suse"		Suse Linux Enterprise Desktop Search vendor "Suse" for product "Suse Linux Enterprise Desktop"				10 Search vendor "Suse" for product "Suse Linux Enterprise Desktop" and version "10"		sp2		Affected
Suse Search vendor "Suse"		Suse Linux Enterprise Server Search vendor "Suse" for product "Suse Linux Enterprise Server"				10 Search vendor "Suse" for product "Suse Linux Enterprise Server" and version "10"		sp1		Affected
Suse Search vendor "Suse"		Suse Linux Enterprise Server Search vendor "Suse" for product "Suse Linux Enterprise Server"				10 Search vendor "Suse" for product "Suse Linux Enterprise Server" and version "10"		sp2		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				4.0 Search vendor "Debian" for product "Debian Linux" and version "4.0"		-		Affected
Avaya Search vendor "Avaya"		Communication Manager Search vendor "Avaya" for product "Communication Manager"				>= 3.1 Search vendor "Avaya" for product "Communication Manager" and version " >= 3.1"		-		Affected
Avaya Search vendor "Avaya"		Expanded Meet-me Conferencing Search vendor "Avaya" for product "Expanded Meet-me Conferencing"				*		-		Affected
Avaya Search vendor "Avaya"		Intuity Audix Lx Search vendor "Avaya" for product "Intuity Audix Lx"				2.0 Search vendor "Avaya" for product "Intuity Audix Lx" and version "2.0"		-		Affected
Avaya Search vendor "Avaya"		Meeting Exchange Search vendor "Avaya" for product "Meeting Exchange"				5.0 Search vendor "Avaya" for product "Meeting Exchange" and version "5.0"		-		Affected
Avaya Search vendor "Avaya"		Message Networking Search vendor "Avaya" for product "Message Networking"				3.1 Search vendor "Avaya" for product "Message Networking" and version "3.1"		-		Affected
Avaya Search vendor "Avaya"		Messaging Storage Server Search vendor "Avaya" for product "Messaging Storage Server"				4.0 Search vendor "Avaya" for product "Messaging Storage Server" and version "4.0"		-		Affected
Avaya Search vendor "Avaya"		Proactive Contact Search vendor "Avaya" for product "Proactive Contact"				4.0 Search vendor "Avaya" for product "Proactive Contact" and version "4.0"		-		Affected
Avaya Search vendor "Avaya"		Sip Enablement Services Search vendor "Avaya" for product "Sip Enablement Services"				-		-		Affected
Avaya Search vendor "Avaya"		Sip Enablement Services Search vendor "Avaya" for product "Sip Enablement Services"				4.0 Search vendor "Avaya" for product "Sip Enablement Services" and version "4.0"		-		Affected